Home / 30,346.10-45,528.45-15,565.40

Finding the Fourth Proportional to 30,346.10, 45,528.45 and 15,565.40

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Solution

The fourth proportional to 30,346.10, 45,528.45 and 15,565.40 is: 23,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.10 : 45,528.45 = 15,565.40 : x
  2. Step 2: Convert to fraction form
    30,346.10/45,528.45 = 15,565.40/x
  3. Step 3: Cross multiply
    30,346.10x = 45,528.45 × 15,565.40
  4. Step 4: Simplify right side
    30,346.10x = 708,668,307.99
  5. Step 5: Solve for x
    x = 708,668,307.99/30,346.10
  6. Step 6: Final answer
    x = 23,352.87

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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.