Home / 73,465.36-101,382.18-39,931.36

Finding the Fourth Proportional to 73,465.36, 101,382.18 and 39,931.36

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Solution

The fourth proportional to 73,465.36, 101,382.18 and 39,931.36 is: 55,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,465.36 : 101,382.18 = 39,931.36 : x
  2. Step 2: Convert to fraction form
    73,465.36/101,382.18 = 39,931.36/x
  3. Step 3: Cross multiply
    73,465.36x = 101,382.18 × 39,931.36
  4. Step 4: Simplify right side
    73,465.36x = 4,048,328,327.16
  5. Step 5: Solve for x
    x = 4,048,328,327.16/73,465.36
  6. Step 6: Final answer
    x = 55,105.27

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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.