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Finding the Fourth Proportional to 61,420.07, 84,751.95 and 35,921.40

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Solution

The fourth proportional to 61,420.07, 84,751.95 and 35,921.40 is: 49,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,420.07 : 84,751.95 = 35,921.40 : x
  2. Step 2: Convert to fraction form
    61,420.07/84,751.95 = 35,921.40/x
  3. Step 3: Cross multiply
    61,420.07x = 84,751.95 × 35,921.40
  4. Step 4: Simplify right side
    61,420.07x = 3,044,408,448.89
  5. Step 5: Solve for x
    x = 3,044,408,448.89/61,420.07
  6. Step 6: Final answer
    x = 49,567.00

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1.5x scale

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.