Home / 52,263.95-72,124.18-28,390.45

Finding the Fourth Proportional to 52,263.95, 72,124.18 and 28,390.45

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Solution

The fourth proportional to 52,263.95, 72,124.18 and 28,390.45 is: 39,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,263.95 : 72,124.18 = 28,390.45 : x
  2. Step 2: Convert to fraction form
    52,263.95/72,124.18 = 28,390.45/x
  3. Step 3: Cross multiply
    52,263.95x = 72,124.18 × 28,390.45
  4. Step 4: Simplify right side
    52,263.95x = 2,047,638,009.65
  5. Step 5: Solve for x
    x = 2,047,638,009.65/52,263.95
  6. Step 6: Final answer
    x = 39,178.79

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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.