Home / 35,411.45-48,862.71-20,304.74

Finding the Fourth Proportional to 35,411.45, 48,862.71 and 20,304.74

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Solution

The fourth proportional to 35,411.45, 48,862.71 and 20,304.74 is: 28,017.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.45 : 48,862.71 = 20,304.74 : x
  2. Step 2: Convert to fraction form
    35,411.45/48,862.71 = 20,304.74/x
  3. Step 3: Cross multiply
    35,411.45x = 48,862.71 × 20,304.74
  4. Step 4: Simplify right side
    35,411.45x = 992,144,744.40
  5. Step 5: Solve for x
    x = 992,144,744.40/35,411.45
  6. Step 6: Final answer
    x = 28,017.63

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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.