Home / 30,329.16-45,492.18-11,607.75

Finding the Fourth Proportional to 30,329.16, 45,492.18 and 11,607.75

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Solution

The fourth proportional to 30,329.16, 45,492.18 and 11,607.75 is: 17,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.16 : 45,492.18 = 11,607.75 : x
  2. Step 2: Convert to fraction form
    30,329.16/45,492.18 = 11,607.75/x
  3. Step 3: Cross multiply
    30,329.16x = 45,492.18 × 11,607.75
  4. Step 4: Simplify right side
    30,329.16x = 528,061,852.40
  5. Step 5: Solve for x
    x = 528,061,852.40/30,329.16
  6. Step 6: Final answer
    x = 17,411.03

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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.