Home / 64,862.36-97,293.90-18,115.40

Finding the Fourth Proportional to 64,862.36, 97,293.90 and 18,115.40

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Solution

The fourth proportional to 64,862.36, 97,293.90 and 18,115.40 is: 27,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862.36 : 97,293.90 = 18,115.40 : x
  2. Step 2: Convert to fraction form
    64,862.36/97,293.90 = 18,115.40/x
  3. Step 3: Cross multiply
    64,862.36x = 97,293.90 × 18,115.40
  4. Step 4: Simplify right side
    64,862.36x = 1,762,517,916.06
  5. Step 5: Solve for x
    x = 1,762,517,916.06/64,862.36
  6. Step 6: Final answer
    x = 27,173.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.