Home / 38,688.49-53,362.47-35,511.88

Finding the Fourth Proportional to 38,688.49, 53,362.47 and 35,511.88

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Solution

The fourth proportional to 38,688.49, 53,362.47 and 35,511.88 is: 48,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.49 : 53,362.47 = 35,511.88 : x
  2. Step 2: Convert to fraction form
    38,688.49/53,362.47 = 35,511.88/x
  3. Step 3: Cross multiply
    38,688.49x = 53,362.47 × 35,511.88
  4. Step 4: Simplify right side
    38,688.49x = 1,895,001,631.14
  5. Step 5: Solve for x
    x = 1,895,001,631.14/38,688.49
  6. Step 6: Final answer
    x = 48,981.02

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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.