Home / 31,347.74-47,024.64-9,160.62

Finding the Fourth Proportional to 31,347.74, 47,024.64 and 9,160.62

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Solution

The fourth proportional to 31,347.74, 47,024.64 and 9,160.62 is: 13,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.74 : 47,024.64 = 9,160.62 : x
  2. Step 2: Convert to fraction form
    31,347.74/47,024.64 = 9,160.62/x
  3. Step 3: Cross multiply
    31,347.74x = 47,024.64 × 9,160.62
  4. Step 4: Simplify right side
    31,347.74x = 430,774,857.68
  5. Step 5: Solve for x
    x = 430,774,857.68/31,347.74
  6. Step 6: Final answer
    x = 13,741.82

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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.