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Finding the Fourth Proportional to 35,756.61, 53,597.47 and 12,055.96

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Solution

The fourth proportional to 35,756.61, 53,597.47 and 12,055.96 is: 18,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.61 : 53,597.47 = 12,055.96 : x
  2. Step 2: Convert to fraction form
    35,756.61/53,597.47 = 12,055.96/x
  3. Step 3: Cross multiply
    35,756.61x = 53,597.47 × 12,055.96
  4. Step 4: Simplify right side
    35,756.61x = 646,168,954.42
  5. Step 5: Solve for x
    x = 646,168,954.42/35,756.61
  6. Step 6: Final answer
    x = 18,071.31

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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.