Home / 38,300.16-52,853.46-21,303.82

Finding the Fourth Proportional to 38,300.16, 52,853.46 and 21,303.82

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Solution

The fourth proportional to 38,300.16, 52,853.46 and 21,303.82 is: 29,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.16 : 52,853.46 = 21,303.82 : x
  2. Step 2: Convert to fraction form
    38,300.16/52,853.46 = 21,303.82/x
  3. Step 3: Cross multiply
    38,300.16x = 52,853.46 × 21,303.82
  4. Step 4: Simplify right side
    38,300.16x = 1,125,980,598.22
  5. Step 5: Solve for x
    x = 1,125,980,598.22/38,300.16
  6. Step 6: Final answer
    x = 29,398.85

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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.