Home / 35,829.06-49,434.48-21,681.60

Finding the Fourth Proportional to 35,829.06, 49,434.48 and 21,681.60

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Solution

The fourth proportional to 35,829.06, 49,434.48 and 21,681.60 is: 29,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.06 : 49,434.48 = 21,681.60 : x
  2. Step 2: Convert to fraction form
    35,829.06/49,434.48 = 21,681.60/x
  3. Step 3: Cross multiply
    35,829.06x = 49,434.48 × 21,681.60
  4. Step 4: Simplify right side
    35,829.06x = 1,071,818,621.57
  5. Step 5: Solve for x
    x = 1,071,818,621.57/35,829.06
  6. Step 6: Final answer
    x = 29,914.78

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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.