Home / 30,673.20-46,009.80-25,424.40

Finding the Fourth Proportional to 30,673.20, 46,009.80 and 25,424.40

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Solution

The fourth proportional to 30,673.20, 46,009.80 and 25,424.40 is: 38,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673.20 : 46,009.80 = 25,424.40 : x
  2. Step 2: Convert to fraction form
    30,673.20/46,009.80 = 25,424.40/x
  3. Step 3: Cross multiply
    30,673.20x = 46,009.80 × 25,424.40
  4. Step 4: Simplify right side
    30,673.20x = 1,169,771,559.12
  5. Step 5: Solve for x
    x = 1,169,771,559.12/30,673.20
  6. Step 6: Final answer
    x = 38,136.60

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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.