Home / 64,490.02-88,994.43-38,663.17

Finding the Fourth Proportional to 64,490.02, 88,994.43 and 38,663.17

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Solution

The fourth proportional to 64,490.02, 88,994.43 and 38,663.17 is: 53,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,490.02 : 88,994.43 = 38,663.17 : x
  2. Step 2: Convert to fraction form
    64,490.02/88,994.43 = 38,663.17/x
  3. Step 3: Cross multiply
    64,490.02x = 88,994.43 × 38,663.17
  4. Step 4: Simplify right side
    64,490.02x = 3,440,806,553.66
  5. Step 5: Solve for x
    x = 3,440,806,553.66/64,490.02
  6. Step 6: Final answer
    x = 53,354.10

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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.