Home / 35,821.02-49,437.30-20,718.57

Finding the Fourth Proportional to 35,821.02, 49,437.30 and 20,718.57

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Solution

The fourth proportional to 35,821.02, 49,437.30 and 20,718.57 is: 28,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.02 : 49,437.30 = 20,718.57 : x
  2. Step 2: Convert to fraction form
    35,821.02/49,437.30 = 20,718.57/x
  3. Step 3: Cross multiply
    35,821.02x = 49,437.30 × 20,718.57
  4. Step 4: Simplify right side
    35,821.02x = 1,024,270,160.66
  5. Step 5: Solve for x
    x = 1,024,270,160.66/35,821.02
  6. Step 6: Final answer
    x = 28,594.11

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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.