Home / 35,213.67-48,587.13-20,878.02

Finding the Fourth Proportional to 35,213.67, 48,587.13 and 20,878.02

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Solution

The fourth proportional to 35,213.67, 48,587.13 and 20,878.02 is: 28,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,213.67 : 48,587.13 = 20,878.02 : x
  2. Step 2: Convert to fraction form
    35,213.67/48,587.13 = 20,878.02/x
  3. Step 3: Cross multiply
    35,213.67x = 48,587.13 × 20,878.02
  4. Step 4: Simplify right side
    35,213.67x = 1,014,403,071.88
  5. Step 5: Solve for x
    x = 1,014,403,071.88/35,213.67
  6. Step 6: Final answer
    x = 28,807.08

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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.