Home / 64,104.16-96,148.12-19,730.76

Finding the Fourth Proportional to 64,104.16, 96,148.12 and 19,730.76

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Solution

The fourth proportional to 64,104.16, 96,148.12 and 19,730.76 is: 29,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.16 : 96,148.12 = 19,730.76 : x
  2. Step 2: Convert to fraction form
    64,104.16/96,148.12 = 19,730.76/x
  3. Step 3: Cross multiply
    64,104.16x = 96,148.12 × 19,730.76
  4. Step 4: Simplify right side
    64,104.16x = 1,897,075,480.17
  5. Step 5: Solve for x
    x = 1,897,075,480.17/64,104.16
  6. Step 6: Final answer
    x = 29,593.64

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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.