Home / 35,929.29-49,579.21-20,013.40

Finding the Fourth Proportional to 35,929.29, 49,579.21 and 20,013.40

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Solution

The fourth proportional to 35,929.29, 49,579.21 and 20,013.40 is: 27,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,929.29 : 49,579.21 = 20,013.40 : x
  2. Step 2: Convert to fraction form
    35,929.29/49,579.21 = 20,013.40/x
  3. Step 3: Cross multiply
    35,929.29x = 49,579.21 × 20,013.40
  4. Step 4: Simplify right side
    35,929.29x = 992,248,561.41
  5. Step 5: Solve for x
    x = 992,248,561.41/35,929.29
  6. Step 6: Final answer
    x = 27,616.70

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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.