Home / 43,143.08-64,368.07-38,406.85

Finding the Fourth Proportional to 43,143.08, 64,368.07 and 38,406.85

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Solution

The fourth proportional to 43,143.08, 64,368.07 and 38,406.85 is: 57,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.08 : 64,368.07 = 38,406.85 : x
  2. Step 2: Convert to fraction form
    43,143.08/64,368.07 = 38,406.85/x
  3. Step 3: Cross multiply
    43,143.08x = 64,368.07 × 38,406.85
  4. Step 4: Simplify right side
    43,143.08x = 2,472,174,552.34
  5. Step 5: Solve for x
    x = 2,472,174,552.34/43,143.08
  6. Step 6: Final answer
    x = 57,301.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.