Home / 70,548.27-97,357.80-38,720.13

Finding the Fourth Proportional to 70,548.27, 97,357.80 and 38,720.13

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Solution

The fourth proportional to 70,548.27, 97,357.80 and 38,720.13 is: 53,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,548.27 : 97,357.80 = 38,720.13 : x
  2. Step 2: Convert to fraction form
    70,548.27/97,357.80 = 38,720.13/x
  3. Step 3: Cross multiply
    70,548.27x = 97,357.80 × 38,720.13
  4. Step 4: Simplify right side
    70,548.27x = 3,769,706,672.51
  5. Step 5: Solve for x
    x = 3,769,706,672.51/70,548.27
  6. Step 6: Final answer
    x = 53,434.43

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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.