Home / 31,337.77-47,006.81-10,561.45

Finding the Fourth Proportional to 31,337.77, 47,006.81 and 10,561.45

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Solution

The fourth proportional to 31,337.77, 47,006.81 and 10,561.45 is: 15,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.77 : 47,006.81 = 10,561.45 : x
  2. Step 2: Convert to fraction form
    31,337.77/47,006.81 = 10,561.45/x
  3. Step 3: Cross multiply
    31,337.77x = 47,006.81 × 10,561.45
  4. Step 4: Simplify right side
    31,337.77x = 496,459,812.04
  5. Step 5: Solve for x
    x = 496,459,812.04/31,337.77
  6. Step 6: Final answer
    x = 15,842.22

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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.