Home / 48,017.12-72,028.40-12,959.52

Finding the Fourth Proportional to 48,017.12, 72,028.40 and 12,959.52

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Solution

The fourth proportional to 48,017.12, 72,028.40 and 12,959.52 is: 19,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,017.12 : 72,028.40 = 12,959.52 : x
  2. Step 2: Convert to fraction form
    48,017.12/72,028.40 = 12,959.52/x
  3. Step 3: Cross multiply
    48,017.12x = 72,028.40 × 12,959.52
  4. Step 4: Simplify right side
    48,017.12x = 933,453,490.37
  5. Step 5: Solve for x
    x = 933,453,490.37/48,017.12
  6. Step 6: Final answer
    x = 19,440.01

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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.