Home / 35,133.16-48,478.98-20,983

Finding the Fourth Proportional to 35,133.16, 48,478.98 and 20,983

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Solution

The fourth proportional to 35,133.16, 48,478.98 and 20,983 is: 28,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,133.16 : 48,478.98 = 20,983 : x
  2. Step 2: Convert to fraction form
    35,133.16/48,478.98 = 20,983/x
  3. Step 3: Cross multiply
    35,133.16x = 48,478.98 × 20,983
  4. Step 4: Simplify right side
    35,133.16x = 1,017,234,437.34
  5. Step 5: Solve for x
    x = 1,017,234,437.34/35,133.16
  6. Step 6: Final answer
    x = 28,953.68

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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.