Home / 52,405.04-78,607.80-12,962.05

Finding the Fourth Proportional to 52,405.04, 78,607.80 and 12,962.05

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Solution

The fourth proportional to 52,405.04, 78,607.80 and 12,962.05 is: 19,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,405.04 : 78,607.80 = 12,962.05 : x
  2. Step 2: Convert to fraction form
    52,405.04/78,607.80 = 12,962.05/x
  3. Step 3: Cross multiply
    52,405.04x = 78,607.80 × 12,962.05
  4. Step 4: Simplify right side
    52,405.04x = 1,018,918,037.47
  5. Step 5: Solve for x
    x = 1,018,918,037.47/52,405.04
  6. Step 6: Final answer
    x = 19,443.13

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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.