Home / 55,509.04-76,603.08-30,358

Finding the Fourth Proportional to 55,509.04, 76,603.08 and 30,358

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Solution

The fourth proportional to 55,509.04, 76,603.08 and 30,358 is: 41,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.04 : 76,603.08 = 30,358 : x
  2. Step 2: Convert to fraction form
    55,509.04/76,603.08 = 30,358/x
  3. Step 3: Cross multiply
    55,509.04x = 76,603.08 × 30,358
  4. Step 4: Simplify right side
    55,509.04x = 2,325,516,302.64
  5. Step 5: Solve for x
    x = 2,325,516,302.64/55,509.04
  6. Step 6: Final answer
    x = 41,894.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.