Home / 35,316.24-48,740.16-21,170.40

Finding the Fourth Proportional to 35,316.24, 48,740.16 and 21,170.40

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Solution

The fourth proportional to 35,316.24, 48,740.16 and 21,170.40 is: 29,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.24 : 48,740.16 = 21,170.40 : x
  2. Step 2: Convert to fraction form
    35,316.24/48,740.16 = 21,170.40/x
  3. Step 3: Cross multiply
    35,316.24x = 48,740.16 × 21,170.40
  4. Step 4: Simplify right side
    35,316.24x = 1,031,848,683.26
  5. Step 5: Solve for x
    x = 1,031,848,683.26/35,316.24
  6. Step 6: Final answer
    x = 29,217.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.