Home / 52,031.79-71,804.03-28,158.45

Finding the Fourth Proportional to 52,031.79, 71,804.03 and 28,158.45

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Solution

The fourth proportional to 52,031.79, 71,804.03 and 28,158.45 is: 38,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,031.79 : 71,804.03 = 28,158.45 : x
  2. Step 2: Convert to fraction form
    52,031.79/71,804.03 = 28,158.45/x
  3. Step 3: Cross multiply
    52,031.79x = 71,804.03 × 28,158.45
  4. Step 4: Simplify right side
    52,031.79x = 2,021,890,047.76
  5. Step 5: Solve for x
    x = 2,021,890,047.76/52,031.79
  6. Step 6: Final answer
    x = 38,858.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.