Home / 38,688.64-58,024.76-12,386.32

Finding the Fourth Proportional to 38,688.64, 58,024.76 and 12,386.32

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Solution

The fourth proportional to 38,688.64, 58,024.76 and 12,386.32 is: 18,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.64 : 58,024.76 = 12,386.32 : x
  2. Step 2: Convert to fraction form
    38,688.64/58,024.76 = 12,386.32/x
  3. Step 3: Cross multiply
    38,688.64x = 58,024.76 × 12,386.32
  4. Step 4: Simplify right side
    38,688.64x = 718,713,038.29
  5. Step 5: Solve for x
    x = 718,713,038.29/38,688.64
  6. Step 6: Final answer
    x = 18,576.85

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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.