Home / 42,097.65-63,158.32-18,407.28

Finding the Fourth Proportional to 42,097.65, 63,158.32 and 18,407.28

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Solution

The fourth proportional to 42,097.65, 63,158.32 and 18,407.28 is: 27,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,097.65 : 63,158.32 = 18,407.28 : x
  2. Step 2: Convert to fraction form
    42,097.65/63,158.32 = 18,407.28/x
  3. Step 3: Cross multiply
    42,097.65x = 63,158.32 × 18,407.28
  4. Step 4: Simplify right side
    42,097.65x = 1,162,572,880.57
  5. Step 5: Solve for x
    x = 1,162,572,880.57/42,097.65
  6. Step 6: Final answer
    x = 27,616.10

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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.