Home / 38,947.02-53,746.82-21,041.97

Finding the Fourth Proportional to 38,947.02, 53,746.82 and 21,041.97

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Solution

The fourth proportional to 38,947.02, 53,746.82 and 21,041.97 is: 29,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.02 : 53,746.82 = 21,041.97 : x
  2. Step 2: Convert to fraction form
    38,947.02/53,746.82 = 21,041.97/x
  3. Step 3: Cross multiply
    38,947.02x = 53,746.82 × 21,041.97
  4. Step 4: Simplify right side
    38,947.02x = 1,130,938,974.04
  5. Step 5: Solve for x
    x = 1,130,938,974.04/38,947.02
  6. Step 6: Final answer
    x = 29,037.88

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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.