Home / 50,220.40-75,330.60-42,703.60

Finding the Fourth Proportional to 50,220.40, 75,330.60 and 42,703.60

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Solution

The fourth proportional to 50,220.40, 75,330.60 and 42,703.60 is: 64,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220.40 : 75,330.60 = 42,703.60 : x
  2. Step 2: Convert to fraction form
    50,220.40/75,330.60 = 42,703.60/x
  3. Step 3: Cross multiply
    50,220.40x = 75,330.60 × 42,703.60
  4. Step 4: Simplify right side
    50,220.40x = 3,216,887,810.16
  5. Step 5: Solve for x
    x = 3,216,887,810.16/50,220.40
  6. Step 6: Final answer
    x = 64,055.40

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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.