Home / 52,026.12-78,020.28-18,285.30

Finding the Fourth Proportional to 52,026.12, 78,020.28 and 18,285.30

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Solution

The fourth proportional to 52,026.12, 78,020.28 and 18,285.30 is: 27,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,026.12 : 78,020.28 = 18,285.30 : x
  2. Step 2: Convert to fraction form
    52,026.12/78,020.28 = 18,285.30/x
  3. Step 3: Cross multiply
    52,026.12x = 78,020.28 × 18,285.30
  4. Step 4: Simplify right side
    52,026.12x = 1,426,624,225.88
  5. Step 5: Solve for x
    x = 1,426,624,225.88/52,026.12
  6. Step 6: Final answer
    x = 27,421.31

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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.