Home / 64,678.38-89,256.13-36,384.07

Finding the Fourth Proportional to 64,678.38, 89,256.13 and 36,384.07

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Solution

The fourth proportional to 64,678.38, 89,256.13 and 36,384.07 is: 50,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678.38 : 89,256.13 = 36,384.07 : x
  2. Step 2: Convert to fraction form
    64,678.38/89,256.13 = 36,384.07/x
  3. Step 3: Cross multiply
    64,678.38x = 89,256.13 × 36,384.07
  4. Step 4: Simplify right side
    64,678.38x = 3,247,501,281.85
  5. Step 5: Solve for x
    x = 3,247,501,281.85/64,678.38
  6. Step 6: Final answer
    x = 50,210.00

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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.