Home / 38,178.16-52,686.40-23,068.72

Finding the Fourth Proportional to 38,178.16, 52,686.40 and 23,068.72

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Solution

The fourth proportional to 38,178.16, 52,686.40 and 23,068.72 is: 31,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.16 : 52,686.40 = 23,068.72 : x
  2. Step 2: Convert to fraction form
    38,178.16/52,686.40 = 23,068.72/x
  3. Step 3: Cross multiply
    38,178.16x = 52,686.40 × 23,068.72
  4. Step 4: Simplify right side
    38,178.16x = 1,215,407,809.41
  5. Step 5: Solve for x
    x = 1,215,407,809.41/38,178.16
  6. Step 6: Final answer
    x = 31,835.16

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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.