Home / 35,159.16-48,520.98-20,054.28

Finding the Fourth Proportional to 35,159.16, 48,520.98 and 20,054.28

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Solution

The fourth proportional to 35,159.16, 48,520.98 and 20,054.28 is: 27,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,159.16 : 48,520.98 = 20,054.28 : x
  2. Step 2: Convert to fraction form
    35,159.16/48,520.98 = 20,054.28/x
  3. Step 3: Cross multiply
    35,159.16x = 48,520.98 × 20,054.28
  4. Step 4: Simplify right side
    35,159.16x = 973,053,318.79
  5. Step 5: Solve for x
    x = 973,053,318.79/35,159.16
  6. Step 6: Final answer
    x = 27,675.67

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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.