Home / 52,607.06-78,858.63-20,998.07

Finding the Fourth Proportional to 52,607.06, 78,858.63 and 20,998.07

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Solution

The fourth proportional to 52,607.06, 78,858.63 and 20,998.07 is: 31,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,607.06 : 78,858.63 = 20,998.07 : x
  2. Step 2: Convert to fraction form
    52,607.06/78,858.63 = 20,998.07/x
  3. Step 3: Cross multiply
    52,607.06x = 78,858.63 × 20,998.07
  4. Step 4: Simplify right side
    52,607.06x = 1,655,878,638.55
  5. Step 5: Solve for x
    x = 1,655,878,638.55/52,607.06
  6. Step 6: Final answer
    x = 31,476.36

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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.