Home / 58,462.02-87,671.36-21,012

Finding the Fourth Proportional to 58,462.02, 87,671.36 and 21,012

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Solution

The fourth proportional to 58,462.02, 87,671.36 and 21,012 is: 31,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,462.02 : 87,671.36 = 21,012 : x
  2. Step 2: Convert to fraction form
    58,462.02/87,671.36 = 21,012/x
  3. Step 3: Cross multiply
    58,462.02x = 87,671.36 × 21,012
  4. Step 4: Simplify right side
    58,462.02x = 1,842,150,616.32
  5. Step 5: Solve for x
    x = 1,842,150,616.32/58,462.02
  6. Step 6: Final answer
    x = 31,510.21

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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.