Home / 30,030.18-45,046.36-10,308.62

Finding the Fourth Proportional to 30,030.18, 45,046.36 and 10,308.62

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Solution

The fourth proportional to 30,030.18, 45,046.36 and 10,308.62 is: 15,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.18 : 45,046.36 = 10,308.62 : x
  2. Step 2: Convert to fraction form
    30,030.18/45,046.36 = 10,308.62/x
  3. Step 3: Cross multiply
    30,030.18x = 45,046.36 × 10,308.62
  4. Step 4: Simplify right side
    30,030.18x = 464,365,807.62
  5. Step 5: Solve for x
    x = 464,365,807.62/30,030.18
  6. Step 6: Final answer
    x = 15,463.30

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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.