Home / 35,901.32-49,543.31-19,985.76

Finding the Fourth Proportional to 35,901.32, 49,543.31 and 19,985.76

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Solution

The fourth proportional to 35,901.32, 49,543.31 and 19,985.76 is: 27,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.32 : 49,543.31 = 19,985.76 : x
  2. Step 2: Convert to fraction form
    35,901.32/49,543.31 = 19,985.76/x
  3. Step 3: Cross multiply
    35,901.32x = 49,543.31 × 19,985.76
  4. Step 4: Simplify right side
    35,901.32x = 990,160,753.23
  5. Step 5: Solve for x
    x = 990,160,753.23/35,901.32
  6. Step 6: Final answer
    x = 27,580.07

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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.