Home / 60,458.91-90,688.57-18,339.35

Finding the Fourth Proportional to 60,458.91, 90,688.57 and 18,339.35

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Solution

The fourth proportional to 60,458.91, 90,688.57 and 18,339.35 is: 27,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,458.91 : 90,688.57 = 18,339.35 : x
  2. Step 2: Convert to fraction form
    60,458.91/90,688.57 = 18,339.35/x
  3. Step 3: Cross multiply
    60,458.91x = 90,688.57 × 18,339.35
  4. Step 4: Simplify right side
    60,458.91x = 1,663,169,710.26
  5. Step 5: Solve for x
    x = 1,663,169,710.26/60,458.91
  6. Step 6: Final answer
    x = 27,509.09

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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.