Home / 64,538.26-89,024.16-40,623.42

Finding the Fourth Proportional to 64,538.26, 89,024.16 and 40,623.42

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Solution

The fourth proportional to 64,538.26, 89,024.16 and 40,623.42 is: 56,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,538.26 : 89,024.16 = 40,623.42 : x
  2. Step 2: Convert to fraction form
    64,538.26/89,024.16 = 40,623.42/x
  3. Step 3: Cross multiply
    64,538.26x = 89,024.16 × 40,623.42
  4. Step 4: Simplify right side
    64,538.26x = 3,616,465,841.83
  5. Step 5: Solve for x
    x = 3,616,465,841.83/64,538.26
  6. Step 6: Final answer
    x = 56,036.00

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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.