Home / 30,864.60-46,296.90-10,090.20

Finding the Fourth Proportional to 30,864.60, 46,296.90 and 10,090.20

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Solution

The fourth proportional to 30,864.60, 46,296.90 and 10,090.20 is: 15,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.60 : 46,296.90 = 10,090.20 : x
  2. Step 2: Convert to fraction form
    30,864.60/46,296.90 = 10,090.20/x
  3. Step 3: Cross multiply
    30,864.60x = 46,296.90 × 10,090.20
  4. Step 4: Simplify right side
    30,864.60x = 467,144,980.38
  5. Step 5: Solve for x
    x = 467,144,980.38/30,864.60
  6. Step 6: Final answer
    x = 15,135.30

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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.