Home / 64,960.32-89,630.10-39,466.02

Finding the Fourth Proportional to 64,960.32, 89,630.10 and 39,466.02

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Solution

The fourth proportional to 64,960.32, 89,630.10 and 39,466.02 is: 54,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,960.32 : 89,630.10 = 39,466.02 : x
  2. Step 2: Convert to fraction form
    64,960.32/89,630.10 = 39,466.02/x
  3. Step 3: Cross multiply
    64,960.32x = 89,630.10 × 39,466.02
  4. Step 4: Simplify right side
    64,960.32x = 3,537,343,319.20
  5. Step 5: Solve for x
    x = 3,537,343,319.20/64,960.32
  6. Step 6: Final answer
    x = 54,453.91

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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.