Home / 52,852.37-72,937.29-28,977.62

Finding the Fourth Proportional to 52,852.37, 72,937.29 and 28,977.62

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Solution

The fourth proportional to 52,852.37, 72,937.29 and 28,977.62 is: 39,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,852.37 : 72,937.29 = 28,977.62 : x
  2. Step 2: Convert to fraction form
    52,852.37/72,937.29 = 28,977.62/x
  3. Step 3: Cross multiply
    52,852.37x = 72,937.29 × 28,977.62
  4. Step 4: Simplify right side
    52,852.37x = 2,113,548,708.76
  5. Step 5: Solve for x
    x = 2,113,548,708.76/52,852.37
  6. Step 6: Final answer
    x = 39,989.67

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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.