Home / 42,397.63-63,605.66-14,316.49

Finding the Fourth Proportional to 42,397.63, 63,605.66 and 14,316.49

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Solution

The fourth proportional to 42,397.63, 63,605.66 and 14,316.49 is: 21,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,397.63 : 63,605.66 = 14,316.49 : x
  2. Step 2: Convert to fraction form
    42,397.63/63,605.66 = 14,316.49/x
  3. Step 3: Cross multiply
    42,397.63x = 63,605.66 × 14,316.49
  4. Step 4: Simplify right side
    42,397.63x = 910,609,672.11
  5. Step 5: Solve for x
    x = 910,609,672.11/42,397.63
  6. Step 6: Final answer
    x = 21,477.85

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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.