Home / 31,412.96-47,127.19-15,625.48

Finding the Fourth Proportional to 31,412.96, 47,127.19 and 15,625.48

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Solution

The fourth proportional to 31,412.96, 47,127.19 and 15,625.48 is: 23,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.96 : 47,127.19 = 15,625.48 : x
  2. Step 2: Convert to fraction form
    31,412.96/47,127.19 = 15,625.48/x
  3. Step 3: Cross multiply
    31,412.96x = 47,127.19 × 15,625.48
  4. Step 4: Simplify right side
    31,412.96x = 736,384,925.74
  5. Step 5: Solve for x
    x = 736,384,925.74/31,412.96
  6. Step 6: Final answer
    x = 23,442.07

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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.