Home / 31,547.08-47,262.30-15,927.40

Finding the Fourth Proportional to 31,547.08, 47,262.30 and 15,927.40

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Solution

The fourth proportional to 31,547.08, 47,262.30 and 15,927.40 is: 23,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.08 : 47,262.30 = 15,927.40 : x
  2. Step 2: Convert to fraction form
    31,547.08/47,262.30 = 15,927.40/x
  3. Step 3: Cross multiply
    31,547.08x = 47,262.30 × 15,927.40
  4. Step 4: Simplify right side
    31,547.08x = 752,765,557.02
  5. Step 5: Solve for x
    x = 752,765,557.02/31,547.08
  6. Step 6: Final answer
    x = 23,861.66

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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.