Home / 31,930.98-47,875.62-15,290.48

Finding the Fourth Proportional to 31,930.98, 47,875.62 and 15,290.48

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Solution

The fourth proportional to 31,930.98, 47,875.62 and 15,290.48 is: 22,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.98 : 47,875.62 = 15,290.48 : x
  2. Step 2: Convert to fraction form
    31,930.98/47,875.62 = 15,290.48/x
  3. Step 3: Cross multiply
    31,930.98x = 47,875.62 × 15,290.48
  4. Step 4: Simplify right side
    31,930.98x = 732,041,210.10
  5. Step 5: Solve for x
    x = 732,041,210.10/31,930.98
  6. Step 6: Final answer
    x = 22,925.74

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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.