Home / 30,619.16-45,928.65-10,898.48

Finding the Fourth Proportional to 30,619.16, 45,928.65 and 10,898.48

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Solution

The fourth proportional to 30,619.16, 45,928.65 and 10,898.48 is: 16,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.16 : 45,928.65 = 10,898.48 : x
  2. Step 2: Convert to fraction form
    30,619.16/45,928.65 = 10,898.48/x
  3. Step 3: Cross multiply
    30,619.16x = 45,928.65 × 10,898.48
  4. Step 4: Simplify right side
    30,619.16x = 500,552,473.45
  5. Step 5: Solve for x
    x = 500,552,473.45/30,619.16
  6. Step 6: Final answer
    x = 16,347.69

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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.