Home / 64,812.18-89,437.69-36,134.99

Finding the Fourth Proportional to 64,812.18, 89,437.69 and 36,134.99

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Solution

The fourth proportional to 64,812.18, 89,437.69 and 36,134.99 is: 49,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812.18 : 89,437.69 = 36,134.99 : x
  2. Step 2: Convert to fraction form
    64,812.18/89,437.69 = 36,134.99/x
  3. Step 3: Cross multiply
    64,812.18x = 89,437.69 × 36,134.99
  4. Step 4: Simplify right side
    64,812.18x = 3,231,830,033.77
  5. Step 5: Solve for x
    x = 3,231,830,033.77/64,812.18
  6. Step 6: Final answer
    x = 49,864.55

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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.