Home / 64,710.26-97,064.48-20,339.72

Finding the Fourth Proportional to 64,710.26, 97,064.48 and 20,339.72

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Solution

The fourth proportional to 64,710.26, 97,064.48 and 20,339.72 is: 30,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.26 : 97,064.48 = 20,339.72 : x
  2. Step 2: Convert to fraction form
    64,710.26/97,064.48 = 20,339.72/x
  3. Step 3: Cross multiply
    64,710.26x = 97,064.48 × 20,339.72
  4. Step 4: Simplify right side
    64,710.26x = 1,974,264,345.15
  5. Step 5: Solve for x
    x = 1,974,264,345.15/64,710.26
  6. Step 6: Final answer
    x = 30,509.29

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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.