Home / 42,319.82-63,482.87-14,239.76

Finding the Fourth Proportional to 42,319.82, 63,482.87 and 14,239.76

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Solution

The fourth proportional to 42,319.82, 63,482.87 and 14,239.76 is: 21,360.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,319.82 : 63,482.87 = 14,239.76 : x
  2. Step 2: Convert to fraction form
    42,319.82/63,482.87 = 14,239.76/x
  3. Step 3: Cross multiply
    42,319.82x = 63,482.87 × 14,239.76
  4. Step 4: Simplify right side
    42,319.82x = 903,980,551.10
  5. Step 5: Solve for x
    x = 903,980,551.10/42,319.82
  6. Step 6: Final answer
    x = 21,360.69

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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.