Home / 50,510.16-75,820.59-20,948.76

Finding the Fourth Proportional to 50,510.16, 75,820.59 and 20,948.76

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Solution

The fourth proportional to 50,510.16, 75,820.59 and 20,948.76 is: 31,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,510.16 : 75,820.59 = 20,948.76 : x
  2. Step 2: Convert to fraction form
    50,510.16/75,820.59 = 20,948.76/x
  3. Step 3: Cross multiply
    50,510.16x = 75,820.59 × 20,948.76
  4. Step 4: Simplify right side
    50,510.16x = 1,588,347,342.97
  5. Step 5: Solve for x
    x = 1,588,347,342.97/50,510.16
  6. Step 6: Final answer
    x = 31,446.10

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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.