Home / 64,974.24-89,665.19-38,117.21

Finding the Fourth Proportional to 64,974.24, 89,665.19 and 38,117.21

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Solution

The fourth proportional to 64,974.24, 89,665.19 and 38,117.21 is: 52,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,974.24 : 89,665.19 = 38,117.21 : x
  2. Step 2: Convert to fraction form
    64,974.24/89,665.19 = 38,117.21/x
  3. Step 3: Cross multiply
    64,974.24x = 89,665.19 × 38,117.21
  4. Step 4: Simplify right side
    64,974.24x = 3,417,786,238.01
  5. Step 5: Solve for x
    x = 3,417,786,238.01/64,974.24
  6. Step 6: Final answer
    x = 52,602.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.