Home / 57,055.60-85,597.98-21,985.84

Finding the Fourth Proportional to 57,055.60, 85,597.98 and 21,985.84

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Solution

The fourth proportional to 57,055.60, 85,597.98 and 21,985.84 is: 32,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.60 : 85,597.98 = 21,985.84 : x
  2. Step 2: Convert to fraction form
    57,055.60/85,597.98 = 21,985.84/x
  3. Step 3: Cross multiply
    57,055.60x = 85,597.98 × 21,985.84
  4. Step 4: Simplify right side
    57,055.60x = 1,881,943,492.60
  5. Step 5: Solve for x
    x = 1,881,943,492.60/57,055.60
  6. Step 6: Final answer
    x = 32,984.38

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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.