Home / 42,901.04-64,360.07-13,317.62

Finding the Fourth Proportional to 42,901.04, 64,360.07 and 13,317.62

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Solution

The fourth proportional to 42,901.04, 64,360.07 and 13,317.62 is: 19,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,901.04 : 64,360.07 = 13,317.62 : x
  2. Step 2: Convert to fraction form
    42,901.04/64,360.07 = 13,317.62/x
  3. Step 3: Cross multiply
    42,901.04x = 64,360.07 × 13,317.62
  4. Step 4: Simplify right side
    42,901.04x = 857,122,616.99
  5. Step 5: Solve for x
    x = 857,122,616.99/42,901.04
  6. Step 6: Final answer
    x = 19,979.06

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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.