Home / 51,275.44-70,792.14-39,315.79

Finding the Fourth Proportional to 51,275.44, 70,792.14 and 39,315.79

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Solution

The fourth proportional to 51,275.44, 70,792.14 and 39,315.79 is: 54,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,275.44 : 70,792.14 = 39,315.79 : x
  2. Step 2: Convert to fraction form
    51,275.44/70,792.14 = 39,315.79/x
  3. Step 3: Cross multiply
    51,275.44x = 70,792.14 × 39,315.79
  4. Step 4: Simplify right side
    51,275.44x = 2,783,248,909.89
  5. Step 5: Solve for x
    x = 2,783,248,909.89/51,275.44
  6. Step 6: Final answer
    x = 54,280.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.