Home / 51,041.95-70,437.78-28,380.22

Finding the Fourth Proportional to 51,041.95, 70,437.78 and 28,380.22

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Solution

The fourth proportional to 51,041.95, 70,437.78 and 28,380.22 is: 39,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,041.95 : 70,437.78 = 28,380.22 : x
  2. Step 2: Convert to fraction form
    51,041.95/70,437.78 = 28,380.22/x
  3. Step 3: Cross multiply
    51,041.95x = 70,437.78 × 28,380.22
  4. Step 4: Simplify right side
    51,041.95x = 1,999,039,692.71
  5. Step 5: Solve for x
    x = 1,999,039,692.71/51,041.95
  6. Step 6: Final answer
    x = 39,164.64

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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.