Home / 31,611.60-47,139.84-29,058.48

Finding the Fourth Proportional to 31,611.60, 47,139.84 and 29,058.48

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Solution

The fourth proportional to 31,611.60, 47,139.84 and 29,058.48 is: 43,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.60 : 47,139.84 = 29,058.48 : x
  2. Step 2: Convert to fraction form
    31,611.60/47,139.84 = 29,058.48/x
  3. Step 3: Cross multiply
    31,611.60x = 47,139.84 × 29,058.48
  4. Step 4: Simplify right side
    31,611.60x = 1,369,812,097.84
  5. Step 5: Solve for x
    x = 1,369,812,097.84/31,611.60
  6. Step 6: Final answer
    x = 43,332.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.