Home / 52,332.52-78,498.10-12,889.98

Finding the Fourth Proportional to 52,332.52, 78,498.10 and 12,889.98

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Solution

The fourth proportional to 52,332.52, 78,498.10 and 12,889.98 is: 19,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,332.52 : 78,498.10 = 12,889.98 : x
  2. Step 2: Convert to fraction form
    52,332.52/78,498.10 = 12,889.98/x
  3. Step 3: Cross multiply
    52,332.52x = 78,498.10 × 12,889.98
  4. Step 4: Simplify right side
    52,332.52x = 1,011,838,939.04
  5. Step 5: Solve for x
    x = 1,011,838,939.04/52,332.52
  6. Step 6: Final answer
    x = 19,334.80

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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.