Home / 42,541.39-63,772.65-18,836.31

Finding the Fourth Proportional to 42,541.39, 63,772.65 and 18,836.31

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Solution

The fourth proportional to 42,541.39, 63,772.65 and 18,836.31 is: 28,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.39 : 63,772.65 = 18,836.31 : x
  2. Step 2: Convert to fraction form
    42,541.39/63,772.65 = 18,836.31/x
  3. Step 3: Cross multiply
    42,541.39x = 63,772.65 × 18,836.31
  4. Step 4: Simplify right side
    42,541.39x = 1,201,241,404.92
  5. Step 5: Solve for x
    x = 1,201,241,404.92/42,541.39
  6. Step 6: Final answer
    x = 28,237.00

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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.