Home / 53,320.40-79,980.60-44,637.20

Finding the Fourth Proportional to 53,320.40, 79,980.60 and 44,637.20

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Solution

The fourth proportional to 53,320.40, 79,980.60 and 44,637.20 is: 66,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.40 : 79,980.60 = 44,637.20 : x
  2. Step 2: Convert to fraction form
    53,320.40/79,980.60 = 44,637.20/x
  3. Step 3: Cross multiply
    53,320.40x = 79,980.60 × 44,637.20
  4. Step 4: Simplify right side
    53,320.40x = 3,570,110,038.32
  5. Step 5: Solve for x
    x = 3,570,110,038.32/53,320.40
  6. Step 6: Final answer
    x = 66,955.80

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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.