Home / 42,746.48-64,124.90-17,803.44

Finding the Fourth Proportional to 42,746.48, 64,124.90 and 17,803.44

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Solution

The fourth proportional to 42,746.48, 64,124.90 and 17,803.44 is: 26,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,746.48 : 64,124.90 = 17,803.44 : x
  2. Step 2: Convert to fraction form
    42,746.48/64,124.90 = 17,803.44/x
  3. Step 3: Cross multiply
    42,746.48x = 64,124.90 × 17,803.44
  4. Step 4: Simplify right side
    42,746.48x = 1,141,643,809.66
  5. Step 5: Solve for x
    x = 1,141,643,809.66/42,746.48
  6. Step 6: Final answer
    x = 26,707.32

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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.