Home / 70,320.51-97,042.42-38,491.43

Finding the Fourth Proportional to 70,320.51, 97,042.42 and 38,491.43

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Solution

The fourth proportional to 70,320.51, 97,042.42 and 38,491.43 is: 53,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.51 : 97,042.42 = 38,491.43 : x
  2. Step 2: Convert to fraction form
    70,320.51/97,042.42 = 38,491.43/x
  3. Step 3: Cross multiply
    70,320.51x = 97,042.42 × 38,491.43
  4. Step 4: Simplify right side
    70,320.51x = 3,735,301,079.36
  5. Step 5: Solve for x
    x = 3,735,301,079.36/70,320.51
  6. Step 6: Final answer
    x = 53,118.23

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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.