Home / 42,011.52-63,031.68-14,328.96

Finding the Fourth Proportional to 42,011.52, 63,031.68 and 14,328.96

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Solution

The fourth proportional to 42,011.52, 63,031.68 and 14,328.96 is: 21,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.52 : 63,031.68 = 14,328.96 : x
  2. Step 2: Convert to fraction form
    42,011.52/63,031.68 = 14,328.96/x
  3. Step 3: Cross multiply
    42,011.52x = 63,031.68 × 14,328.96
  4. Step 4: Simplify right side
    42,011.52x = 903,178,421.45
  5. Step 5: Solve for x
    x = 903,178,421.45/42,011.52
  6. Step 6: Final answer
    x = 21,498.35

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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.