Home / 70,013.08-96,621.47-39,395.76

Finding the Fourth Proportional to 70,013.08, 96,621.47 and 39,395.76

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Solution

The fourth proportional to 70,013.08, 96,621.47 and 39,395.76 is: 54,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,013.08 : 96,621.47 = 39,395.76 : x
  2. Step 2: Convert to fraction form
    70,013.08/96,621.47 = 39,395.76/x
  3. Step 3: Cross multiply
    70,013.08x = 96,621.47 × 39,395.76
  4. Step 4: Simplify right side
    70,013.08x = 3,806,476,242.97
  5. Step 5: Solve for x
    x = 3,806,476,242.97/70,013.08
  6. Step 6: Final answer
    x = 54,368.07

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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.