Home / 43,403.36-65,113.16-19,712.57

Finding the Fourth Proportional to 43,403.36, 65,113.16 and 19,712.57

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Solution

The fourth proportional to 43,403.36, 65,113.16 and 19,712.57 is: 29,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.36 : 65,113.16 = 19,712.57 : x
  2. Step 2: Convert to fraction form
    43,403.36/65,113.16 = 19,712.57/x
  3. Step 3: Cross multiply
    43,403.36x = 65,113.16 × 19,712.57
  4. Step 4: Simplify right side
    43,403.36x = 1,283,547,300.29
  5. Step 5: Solve for x
    x = 1,283,547,300.29/43,403.36
  6. Step 6: Final answer
    x = 29,572.54

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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.