Home / 35,168.06-52,715.64-21,990.18

Finding the Fourth Proportional to 35,168.06, 52,715.64 and 21,990.18

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Solution

The fourth proportional to 35,168.06, 52,715.64 and 21,990.18 is: 32,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,168.06 : 52,715.64 = 21,990.18 : x
  2. Step 2: Convert to fraction form
    35,168.06/52,715.64 = 21,990.18/x
  3. Step 3: Cross multiply
    35,168.06x = 52,715.64 × 21,990.18
  4. Step 4: Simplify right side
    35,168.06x = 1,159,226,412.42
  5. Step 5: Solve for x
    x = 1,159,226,412.42/35,168.06
  6. Step 6: Final answer
    x = 32,962.48

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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.