Home / 45,510.16-68,210.76-29,722.72

Finding the Fourth Proportional to 45,510.16, 68,210.76 and 29,722.72

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Solution

The fourth proportional to 45,510.16, 68,210.76 and 29,722.72 is: 44,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,510.16 : 68,210.76 = 29,722.72 : x
  2. Step 2: Convert to fraction form
    45,510.16/68,210.76 = 29,722.72/x
  3. Step 3: Cross multiply
    45,510.16x = 68,210.76 × 29,722.72
  4. Step 4: Simplify right side
    45,510.16x = 2,027,409,320.47
  5. Step 5: Solve for x
    x = 2,027,409,320.47/45,510.16
  6. Step 6: Final answer
    x = 44,548.50

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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.