Home / 31,461.47-47,192.16-21,570.76

Finding the Fourth Proportional to 31,461.47, 47,192.16 and 21,570.76

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Solution

The fourth proportional to 31,461.47, 47,192.16 and 21,570.76 is: 32,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.47 : 47,192.16 = 21,570.76 : x
  2. Step 2: Convert to fraction form
    31,461.47/47,192.16 = 21,570.76/x
  3. Step 3: Cross multiply
    31,461.47x = 47,192.16 × 21,570.76
  4. Step 4: Simplify right side
    31,461.47x = 1,017,970,757.24
  5. Step 5: Solve for x
    x = 1,017,970,757.24/31,461.47
  6. Step 6: Final answer
    x = 32,356.11

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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.