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Finding the Fourth Proportional to 46,171.98, 63,703.17 and 28,248.30

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Solution

The fourth proportional to 46,171.98, 63,703.17 and 28,248.30 is: 38,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,171.98 : 63,703.17 = 28,248.30 : x
  2. Step 2: Convert to fraction form
    46,171.98/63,703.17 = 28,248.30/x
  3. Step 3: Cross multiply
    46,171.98x = 63,703.17 × 28,248.30
  4. Step 4: Simplify right side
    46,171.98x = 1,799,506,257.11
  5. Step 5: Solve for x
    x = 1,799,506,257.11/46,171.98
  6. Step 6: Final answer
    x = 38,973.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.