Home / 42,927.04-64,399.68-13,344.16

Finding the Fourth Proportional to 42,927.04, 64,399.68 and 13,344.16

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Solution

The fourth proportional to 42,927.04, 64,399.68 and 13,344.16 is: 20,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,927.04 : 64,399.68 = 13,344.16 : x
  2. Step 2: Convert to fraction form
    42,927.04/64,399.68 = 13,344.16/x
  3. Step 3: Cross multiply
    42,927.04x = 64,399.68 × 13,344.16
  4. Step 4: Simplify right side
    42,927.04x = 859,359,633.87
  5. Step 5: Solve for x
    x = 859,359,633.87/42,927.04
  6. Step 6: Final answer
    x = 20,019.08

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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.