Home / 42,037.28-63,070.56-18,680.16

Finding the Fourth Proportional to 42,037.28, 63,070.56 and 18,680.16

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Solution

The fourth proportional to 42,037.28, 63,070.56 and 18,680.16 is: 28,026.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.28 : 63,070.56 = 18,680.16 : x
  2. Step 2: Convert to fraction form
    42,037.28/63,070.56 = 18,680.16/x
  3. Step 3: Cross multiply
    42,037.28x = 63,070.56 × 18,680.16
  4. Step 4: Simplify right side
    42,037.28x = 1,178,168,152.09
  5. Step 5: Solve for x
    x = 1,178,168,152.09/42,037.28
  6. Step 6: Final answer
    x = 28,026.75

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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.