Home / 31,387.52-47,041.25-14,710.77

Finding the Fourth Proportional to 31,387.52, 47,041.25 and 14,710.77

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Solution

The fourth proportional to 31,387.52, 47,041.25 and 14,710.77 is: 22,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.52 : 47,041.25 = 14,710.77 : x
  2. Step 2: Convert to fraction form
    31,387.52/47,041.25 = 14,710.77/x
  3. Step 3: Cross multiply
    31,387.52x = 47,041.25 × 14,710.77
  4. Step 4: Simplify right side
    31,387.52x = 692,012,935.71
  5. Step 5: Solve for x
    x = 692,012,935.71/31,387.52
  6. Step 6: Final answer
    x = 22,047.39

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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.