Home / 39,646.14-59,454.09-12,985.53

Finding the Fourth Proportional to 39,646.14, 59,454.09 and 12,985.53

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Solution

The fourth proportional to 39,646.14, 59,454.09 and 12,985.53 is: 19,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.14 : 59,454.09 = 12,985.53 : x
  2. Step 2: Convert to fraction form
    39,646.14/59,454.09 = 12,985.53/x
  3. Step 3: Cross multiply
    39,646.14x = 59,454.09 × 12,985.53
  4. Step 4: Simplify right side
    39,646.14x = 772,042,869.32
  5. Step 5: Solve for x
    x = 772,042,869.32/39,646.14
  6. Step 6: Final answer
    x = 19,473.34

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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.