Home / 39,913-59,869.26-10,330.72

Finding the Fourth Proportional to 39,913, 59,869.26 and 10,330.72

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Solution

The fourth proportional to 39,913, 59,869.26 and 10,330.72 is: 15,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913 : 59,869.26 = 10,330.72 : x
  2. Step 2: Convert to fraction form
    39,913/59,869.26 = 10,330.72/x
  3. Step 3: Cross multiply
    39,913x = 59,869.26 × 10,330.72
  4. Step 4: Simplify right side
    39,913x = 618,492,561.67
  5. Step 5: Solve for x
    x = 618,492,561.67/39,913
  6. Step 6: Final answer
    x = 15,496.02

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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.