Home / 53,962.40-80,943.60-42,152.60

Finding the Fourth Proportional to 53,962.40, 80,943.60 and 42,152.60

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Solution

The fourth proportional to 53,962.40, 80,943.60 and 42,152.60 is: 63,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.40 : 80,943.60 = 42,152.60 : x
  2. Step 2: Convert to fraction form
    53,962.40/80,943.60 = 42,152.60/x
  3. Step 3: Cross multiply
    53,962.40x = 80,943.60 × 42,152.60
  4. Step 4: Simplify right side
    53,962.40x = 3,411,983,193.36
  5. Step 5: Solve for x
    x = 3,411,983,193.36/53,962.40
  6. Step 6: Final answer
    x = 63,228.90

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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.