Home / 52,278.15-78,420.23-14,835.30

Finding the Fourth Proportional to 52,278.15, 78,420.23 and 14,835.30

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Solution

The fourth proportional to 52,278.15, 78,420.23 and 14,835.30 is: 22,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.15 : 78,420.23 = 14,835.30 : x
  2. Step 2: Convert to fraction form
    52,278.15/78,420.23 = 14,835.30/x
  3. Step 3: Cross multiply
    52,278.15x = 78,420.23 × 14,835.30
  4. Step 4: Simplify right side
    52,278.15x = 1,163,387,563.94
  5. Step 5: Solve for x
    x = 1,163,387,563.94/52,278.15
  6. Step 6: Final answer
    x = 22,253.80

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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.