Home / 52,434.40-78,466.92-42,960.64

Finding the Fourth Proportional to 52,434.40, 78,466.92 and 42,960.64

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Solution

The fourth proportional to 52,434.40, 78,466.92 and 42,960.64 is: 64,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,434.40 : 78,466.92 = 42,960.64 : x
  2. Step 2: Convert to fraction form
    52,434.40/78,466.92 = 42,960.64/x
  3. Step 3: Cross multiply
    52,434.40x = 78,466.92 × 42,960.64
  4. Step 4: Simplify right side
    52,434.40x = 3,370,989,102.03
  5. Step 5: Solve for x
    x = 3,370,989,102.03/52,434.40
  6. Step 6: Final answer
    x = 64,289.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.