Home / 65,341.36-97,980.32-38,331.08

Finding the Fourth Proportional to 65,341.36, 97,980.32 and 38,331.08

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Solution

The fourth proportional to 65,341.36, 97,980.32 and 38,331.08 is: 57,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,341.36 : 97,980.32 = 38,331.08 : x
  2. Step 2: Convert to fraction form
    65,341.36/97,980.32 = 38,331.08/x
  3. Step 3: Cross multiply
    65,341.36x = 97,980.32 × 38,331.08
  4. Step 4: Simplify right side
    65,341.36x = 3,755,691,484.35
  5. Step 5: Solve for x
    x = 3,755,691,484.35/65,341.36
  6. Step 6: Final answer
    x = 57,478.01

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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.