Home / 31,432.08-47,149.80-8,058.72

Finding the Fourth Proportional to 31,432.08, 47,149.80 and 8,058.72

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Solution

The fourth proportional to 31,432.08, 47,149.80 and 8,058.72 is: 12,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.08 : 47,149.80 = 8,058.72 : x
  2. Step 2: Convert to fraction form
    31,432.08/47,149.80 = 8,058.72/x
  3. Step 3: Cross multiply
    31,432.08x = 47,149.80 × 8,058.72
  4. Step 4: Simplify right side
    31,432.08x = 379,967,036.26
  5. Step 5: Solve for x
    x = 379,967,036.26/31,432.08
  6. Step 6: Final answer
    x = 12,088.51

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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.