Home / 31,695.72-47,543.84-9,509.28

Finding the Fourth Proportional to 31,695.72, 47,543.84 and 9,509.28

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Solution

The fourth proportional to 31,695.72, 47,543.84 and 9,509.28 is: 14,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.72 : 47,543.84 = 9,509.28 : x
  2. Step 2: Convert to fraction form
    31,695.72/47,543.84 = 9,509.28/x
  3. Step 3: Cross multiply
    31,695.72x = 47,543.84 × 9,509.28
  4. Step 4: Simplify right side
    31,695.72x = 452,107,686.84
  5. Step 5: Solve for x
    x = 452,107,686.84/31,695.72
  6. Step 6: Final answer
    x = 14,264.00

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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.