Home / 30,429.07-45,643.70-9,368.97

Finding the Fourth Proportional to 30,429.07, 45,643.70 and 9,368.97

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Solution

The fourth proportional to 30,429.07, 45,643.70 and 9,368.97 is: 14,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.07 : 45,643.70 = 9,368.97 : x
  2. Step 2: Convert to fraction form
    30,429.07/45,643.70 = 9,368.97/x
  3. Step 3: Cross multiply
    30,429.07x = 45,643.70 × 9,368.97
  4. Step 4: Simplify right side
    30,429.07x = 427,634,308.25
  5. Step 5: Solve for x
    x = 427,634,308.25/30,429.07
  6. Step 6: Final answer
    x = 14,053.48

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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.