Home / 31,410.47-47,122.64-10,349.66

Finding the Fourth Proportional to 31,410.47, 47,122.64 and 10,349.66

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Solution

The fourth proportional to 31,410.47, 47,122.64 and 10,349.66 is: 15,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.47 : 47,122.64 = 10,349.66 : x
  2. Step 2: Convert to fraction form
    31,410.47/47,122.64 = 10,349.66/x
  3. Step 3: Cross multiply
    31,410.47x = 47,122.64 × 10,349.66
  4. Step 4: Simplify right side
    31,410.47x = 487,703,066.69
  5. Step 5: Solve for x
    x = 487,703,066.69/31,410.47
  6. Step 6: Final answer
    x = 15,526.77

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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.