Home / 31,937.40-47,888.82-14,386.68

Finding the Fourth Proportional to 31,937.40, 47,888.82 and 14,386.68

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Solution

The fourth proportional to 31,937.40, 47,888.82 and 14,386.68 is: 21,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.40 : 47,888.82 = 14,386.68 : x
  2. Step 2: Convert to fraction form
    31,937.40/47,888.82 = 14,386.68/x
  3. Step 3: Cross multiply
    31,937.40x = 47,888.82 × 14,386.68
  4. Step 4: Simplify right side
    31,937.40x = 688,961,128.92
  5. Step 5: Solve for x
    x = 688,961,128.92/31,937.40
  6. Step 6: Final answer
    x = 21,572.24

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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.