Home / 30,477.87-42,113.52-23,464.89

Finding the Fourth Proportional to 30,477.87, 42,113.52 and 23,464.89

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Solution

The fourth proportional to 30,477.87, 42,113.52 and 23,464.89 is: 32,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.87 : 42,113.52 = 23,464.89 : x
  2. Step 2: Convert to fraction form
    30,477.87/42,113.52 = 23,464.89/x
  3. Step 3: Cross multiply
    30,477.87x = 42,113.52 × 23,464.89
  4. Step 4: Simplify right side
    30,477.87x = 988,189,114.31
  5. Step 5: Solve for x
    x = 988,189,114.31/30,477.87
  6. Step 6: Final answer
    x = 32,423.17

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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.