Home / 31,424.96-47,115.54-14,769

Finding the Fourth Proportional to 31,424.96, 47,115.54 and 14,769

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Solution

The fourth proportional to 31,424.96, 47,115.54 and 14,769 is: 22,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.96 : 47,115.54 = 14,769 : x
  2. Step 2: Convert to fraction form
    31,424.96/47,115.54 = 14,769/x
  3. Step 3: Cross multiply
    31,424.96x = 47,115.54 × 14,769
  4. Step 4: Simplify right side
    31,424.96x = 695,849,410.26
  5. Step 5: Solve for x
    x = 695,849,410.26/31,424.96
  6. Step 6: Final answer
    x = 22,143.21

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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.