Home / 38,068.48-57,112.40-14,688.64

Finding the Fourth Proportional to 38,068.48, 57,112.40 and 14,688.64

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Solution

The fourth proportional to 38,068.48, 57,112.40 and 14,688.64 is: 22,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.48 : 57,112.40 = 14,688.64 : x
  2. Step 2: Convert to fraction form
    38,068.48/57,112.40 = 14,688.64/x
  3. Step 3: Cross multiply
    38,068.48x = 57,112.40 × 14,688.64
  4. Step 4: Simplify right side
    38,068.48x = 838,903,483.14
  5. Step 5: Solve for x
    x = 838,903,483.14/38,068.48
  6. Step 6: Final answer
    x = 22,036.70

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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.