Home / 31,580.10-47,312.55-25,704.90

Finding the Fourth Proportional to 31,580.10, 47,312.55 and 25,704.90

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Solution

The fourth proportional to 31,580.10, 47,312.55 and 25,704.90 is: 38,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.10 : 47,312.55 = 25,704.90 : x
  2. Step 2: Convert to fraction form
    31,580.10/47,312.55 = 25,704.90/x
  3. Step 3: Cross multiply
    31,580.10x = 47,312.55 × 25,704.90
  4. Step 4: Simplify right side
    31,580.10x = 1,216,164,366.50
  5. Step 5: Solve for x
    x = 1,216,164,366.50/31,580.10
  6. Step 6: Final answer
    x = 38,510.47

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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.