Home / 31,429.48-47,134.20-10,365.60

Finding the Fourth Proportional to 31,429.48, 47,134.20 and 10,365.60

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Solution

The fourth proportional to 31,429.48, 47,134.20 and 10,365.60 is: 15,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.48 : 47,134.20 = 10,365.60 : x
  2. Step 2: Convert to fraction form
    31,429.48/47,134.20 = 10,365.60/x
  3. Step 3: Cross multiply
    31,429.48x = 47,134.20 × 10,365.60
  4. Step 4: Simplify right side
    31,429.48x = 488,574,263.52
  5. Step 5: Solve for x
    x = 488,574,263.52/31,429.48
  6. Step 6: Final answer
    x = 15,545.10

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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.