Home / 64,828.08-89,470.92-37,980.84

Finding the Fourth Proportional to 64,828.08, 89,470.92 and 37,980.84

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Solution

The fourth proportional to 64,828.08, 89,470.92 and 37,980.84 is: 52,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.08 : 89,470.92 = 37,980.84 : x
  2. Step 2: Convert to fraction form
    64,828.08/89,470.92 = 37,980.84/x
  3. Step 3: Cross multiply
    64,828.08x = 89,470.92 × 37,980.84
  4. Step 4: Simplify right side
    64,828.08x = 3,398,180,697.17
  5. Step 5: Solve for x
    x = 3,398,180,697.17/64,828.08
  6. Step 6: Final answer
    x = 52,418.35

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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.