Home / 39,678.12-59,754.69-36,135.18

Finding the Fourth Proportional to 39,678.12, 59,754.69 and 36,135.18

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Solution

The fourth proportional to 39,678.12, 59,754.69 and 36,135.18 is: 54,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.12 : 59,754.69 = 36,135.18 : x
  2. Step 2: Convert to fraction form
    39,678.12/59,754.69 = 36,135.18/x
  3. Step 3: Cross multiply
    39,678.12x = 59,754.69 × 36,135.18
  4. Step 4: Simplify right side
    39,678.12x = 2,159,246,478.99
  5. Step 5: Solve for x
    x = 2,159,246,478.99/39,678.12
  6. Step 6: Final answer
    x = 54,419.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.