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Finding the Fourth Proportional to 64,510.58, 89,024.61 and 36,225.38

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Solution

The fourth proportional to 64,510.58, 89,024.61 and 36,225.38 is: 49,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,510.58 : 89,024.61 = 36,225.38 : x
  2. Step 2: Convert to fraction form
    64,510.58/89,024.61 = 36,225.38/x
  3. Step 3: Cross multiply
    64,510.58x = 89,024.61 × 36,225.38
  4. Step 4: Simplify right side
    64,510.58x = 3,224,950,326.60
  5. Step 5: Solve for x
    x = 3,224,950,326.60/64,510.58
  6. Step 6: Final answer
    x = 49,991.03

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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.