Home / 30,417.63-45,633.75-9,641.13

Finding the Fourth Proportional to 30,417.63, 45,633.75 and 9,641.13

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Solution

The fourth proportional to 30,417.63, 45,633.75 and 9,641.13 is: 14,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.63 : 45,633.75 = 9,641.13 : x
  2. Step 2: Convert to fraction form
    30,417.63/45,633.75 = 9,641.13/x
  3. Step 3: Cross multiply
    30,417.63x = 45,633.75 × 9,641.13
  4. Step 4: Simplify right side
    30,417.63x = 439,960,916.14
  5. Step 5: Solve for x
    x = 439,960,916.14/30,417.63
  6. Step 6: Final answer
    x = 14,464.01

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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.