Home / 38,285.56-52,838.28-21,934.32

Finding the Fourth Proportional to 38,285.56, 52,838.28 and 21,934.32

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Solution

The fourth proportional to 38,285.56, 52,838.28 and 21,934.32 is: 30,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.56 : 52,838.28 = 21,934.32 : x
  2. Step 2: Convert to fraction form
    38,285.56/52,838.28 = 21,934.32/x
  3. Step 3: Cross multiply
    38,285.56x = 52,838.28 × 21,934.32
  4. Step 4: Simplify right side
    38,285.56x = 1,158,971,741.77
  5. Step 5: Solve for x
    x = 1,158,971,741.77/38,285.56
  6. Step 6: Final answer
    x = 30,271.77

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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.