Home / 31,526.79-47,290.19-10,749.75

Finding the Fourth Proportional to 31,526.79, 47,290.19 and 10,749.75

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Solution

The fourth proportional to 31,526.79, 47,290.19 and 10,749.75 is: 16,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.79 : 47,290.19 = 10,749.75 : x
  2. Step 2: Convert to fraction form
    31,526.79/47,290.19 = 10,749.75/x
  3. Step 3: Cross multiply
    31,526.79x = 47,290.19 × 10,749.75
  4. Step 4: Simplify right side
    31,526.79x = 508,357,666.20
  5. Step 5: Solve for x
    x = 508,357,666.20/31,526.79
  6. Step 6: Final answer
    x = 16,124.63

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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.