Home / 35,821.15-49,437.47-20,718.70

Finding the Fourth Proportional to 35,821.15, 49,437.47 and 20,718.70

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Solution

The fourth proportional to 35,821.15, 49,437.47 and 20,718.70 is: 28,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.15 : 49,437.47 = 20,718.70 : x
  2. Step 2: Convert to fraction form
    35,821.15/49,437.47 = 20,718.70/x
  3. Step 3: Cross multiply
    35,821.15x = 49,437.47 × 20,718.70
  4. Step 4: Simplify right side
    35,821.15x = 1,024,280,037.89
  5. Step 5: Solve for x
    x = 1,024,280,037.89/35,821.15
  6. Step 6: Final answer
    x = 28,594.28

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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.