Home / 38,885.60-58,328.40-31,109.60

Finding the Fourth Proportional to 38,885.60, 58,328.40 and 31,109.60

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Solution

The fourth proportional to 38,885.60, 58,328.40 and 31,109.60 is: 46,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,885.60 : 58,328.40 = 31,109.60 : x
  2. Step 2: Convert to fraction form
    38,885.60/58,328.40 = 31,109.60/x
  3. Step 3: Cross multiply
    38,885.60x = 58,328.40 × 31,109.60
  4. Step 4: Simplify right side
    38,885.60x = 1,814,573,192.64
  5. Step 5: Solve for x
    x = 1,814,573,192.64/38,885.60
  6. Step 6: Final answer
    x = 46,664.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.