Home / 56,870.04-85,190.87-28,320.98

Finding the Fourth Proportional to 56,870.04, 85,190.87 and 28,320.98

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Solution

The fourth proportional to 56,870.04, 85,190.87 and 28,320.98 is: 42,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,870.04 : 85,190.87 = 28,320.98 : x
  2. Step 2: Convert to fraction form
    56,870.04/85,190.87 = 28,320.98/x
  3. Step 3: Cross multiply
    56,870.04x = 85,190.87 × 28,320.98
  4. Step 4: Simplify right side
    56,870.04x = 2,412,688,357.89
  5. Step 5: Solve for x
    x = 2,412,688,357.89/56,870.04
  6. Step 6: Final answer
    x = 42,424.59

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1.5x scale

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.