Home / 42,320.76-63,486.54-14,228.76

Finding the Fourth Proportional to 42,320.76, 63,486.54 and 14,228.76

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Solution

The fourth proportional to 42,320.76, 63,486.54 and 14,228.76 is: 21,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.76 : 63,486.54 = 14,228.76 : x
  2. Step 2: Convert to fraction form
    42,320.76/63,486.54 = 14,228.76/x
  3. Step 3: Cross multiply
    42,320.76x = 63,486.54 × 14,228.76
  4. Step 4: Simplify right side
    42,320.76x = 903,334,740.89
  5. Step 5: Solve for x
    x = 903,334,740.89/42,320.76
  6. Step 6: Final answer
    x = 21,344.96

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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.