Home / 42,764.32-64,130.08-14,679.14

Finding the Fourth Proportional to 42,764.32, 64,130.08 and 14,679.14

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Solution

The fourth proportional to 42,764.32, 64,130.08 and 14,679.14 is: 22,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,764.32 : 64,130.08 = 14,679.14 : x
  2. Step 2: Convert to fraction form
    42,764.32/64,130.08 = 14,679.14/x
  3. Step 3: Cross multiply
    42,764.32x = 64,130.08 × 14,679.14
  4. Step 4: Simplify right side
    42,764.32x = 941,374,422.53
  5. Step 5: Solve for x
    x = 941,374,422.53/42,764.32
  6. Step 6: Final answer
    x = 22,013.08

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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.