Home / 64,818.32-89,460.60-40,937.36

Finding the Fourth Proportional to 64,818.32, 89,460.60 and 40,937.36

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Solution

The fourth proportional to 64,818.32, 89,460.60 and 40,937.36 is: 56,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,818.32 : 89,460.60 = 40,937.36 : x
  2. Step 2: Convert to fraction form
    64,818.32/89,460.60 = 40,937.36/x
  3. Step 3: Cross multiply
    64,818.32x = 89,460.60 × 40,937.36
  4. Step 4: Simplify right side
    64,818.32x = 3,662,280,788.02
  5. Step 5: Solve for x
    x = 3,662,280,788.02/64,818.32
  6. Step 6: Final answer
    x = 56,500.71

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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.