Home / 35,655.81-49,210.16-20,545.58

Finding the Fourth Proportional to 35,655.81, 49,210.16 and 20,545.58

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Solution

The fourth proportional to 35,655.81, 49,210.16 and 20,545.58 is: 28,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.81 : 49,210.16 = 20,545.58 : x
  2. Step 2: Convert to fraction form
    35,655.81/49,210.16 = 20,545.58/x
  3. Step 3: Cross multiply
    35,655.81x = 49,210.16 × 20,545.58
  4. Step 4: Simplify right side
    35,655.81x = 1,011,050,930.31
  5. Step 5: Solve for x
    x = 1,011,050,930.31/35,655.81
  6. Step 6: Final answer
    x = 28,355.85

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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.