Home / 42,746.32-64,119.48-11,580.76

Finding the Fourth Proportional to 42,746.32, 64,119.48 and 11,580.76

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Solution

The fourth proportional to 42,746.32, 64,119.48 and 11,580.76 is: 17,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,746.32 : 64,119.48 = 11,580.76 : x
  2. Step 2: Convert to fraction form
    42,746.32/64,119.48 = 11,580.76/x
  3. Step 3: Cross multiply
    42,746.32x = 64,119.48 × 11,580.76
  4. Step 4: Simplify right side
    42,746.32x = 742,552,309.20
  5. Step 5: Solve for x
    x = 742,552,309.20/42,746.32
  6. Step 6: Final answer
    x = 17,371.14

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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.