Home / 35,539,411.60-53,309,117.40-20,380,877.20

Finding the Fourth Proportional to 35,539,411.60, 53,309,117.40 and 20,380,877.20

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Solution

The fourth proportional to 35,539,411.60, 53,309,117.40 and 20,380,877.20 is: 30,571,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,539,411.60 : 53,309,117.40 = 20,380,877.20 : x
  2. Step 2: Convert to fraction form
    35,539,411.60/53,309,117.40 = 20,380,877.20/x
  3. Step 3: Cross multiply
    35,539,411.60x = 53,309,117.40 × 20,380,877.20
  4. Step 4: Simplify right side
    35,539,411.60x = 1,086,486,575,369,783.25
  5. Step 5: Solve for x
    x = 1,086,486,575,369,783.25/35,539,411.60
  6. Step 6: Final answer
    x = 30,571,315.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.