Home / 40,309.95-60,465.06-12,230.23

Finding the Fourth Proportional to 40,309.95, 60,465.06 and 12,230.23

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Solution

The fourth proportional to 40,309.95, 60,465.06 and 12,230.23 is: 18,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.95 : 60,465.06 = 12,230.23 : x
  2. Step 2: Convert to fraction form
    40,309.95/60,465.06 = 12,230.23/x
  3. Step 3: Cross multiply
    40,309.95x = 60,465.06 × 12,230.23
  4. Step 4: Simplify right side
    40,309.95x = 739,501,688.63
  5. Step 5: Solve for x
    x = 739,501,688.63/40,309.95
  6. Step 6: Final answer
    x = 18,345.39

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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.