Home / 61,202.16-84,381.48-39,947.76

Finding the Fourth Proportional to 61,202.16, 84,381.48 and 39,947.76

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Solution

The fourth proportional to 61,202.16, 84,381.48 and 39,947.76 is: 55,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,202.16 : 84,381.48 = 39,947.76 : x
  2. Step 2: Convert to fraction form
    61,202.16/84,381.48 = 39,947.76/x
  3. Step 3: Cross multiply
    61,202.16x = 84,381.48 × 39,947.76
  4. Step 4: Simplify right side
    61,202.16x = 3,370,851,111.48
  5. Step 5: Solve for x
    x = 3,370,851,111.48/61,202.16
  6. Step 6: Final answer
    x = 55,077.32

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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.