Home / 35,035.16-48,347.08-20,699.64

Finding the Fourth Proportional to 35,035.16, 48,347.08 and 20,699.64

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Solution

The fourth proportional to 35,035.16, 48,347.08 and 20,699.64 is: 28,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,035.16 : 48,347.08 = 20,699.64 : x
  2. Step 2: Convert to fraction form
    35,035.16/48,347.08 = 20,699.64/x
  3. Step 3: Cross multiply
    35,035.16x = 48,347.08 × 20,699.64
  4. Step 4: Simplify right side
    35,035.16x = 1,000,767,151.05
  5. Step 5: Solve for x
    x = 1,000,767,151.05/35,035.16
  6. Step 6: Final answer
    x = 28,564.65

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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.