Home / 39,060.06-53,899.02-21,829.24

Finding the Fourth Proportional to 39,060.06, 53,899.02 and 21,829.24

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Solution

The fourth proportional to 39,060.06, 53,899.02 and 21,829.24 is: 30,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,060.06 : 53,899.02 = 21,829.24 : x
  2. Step 2: Convert to fraction form
    39,060.06/53,899.02 = 21,829.24/x
  3. Step 3: Cross multiply
    39,060.06x = 53,899.02 × 21,829.24
  4. Step 4: Simplify right side
    39,060.06x = 1,176,574,643.34
  5. Step 5: Solve for x
    x = 1,176,574,643.34/39,060.06
  6. Step 6: Final answer
    x = 30,122.19

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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.