Home / 35,620.20-53,430.30-34,259.40

Finding the Fourth Proportional to 35,620.20, 53,430.30 and 34,259.40

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Solution

The fourth proportional to 35,620.20, 53,430.30 and 34,259.40 is: 51,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.20 : 53,430.30 = 34,259.40 : x
  2. Step 2: Convert to fraction form
    35,620.20/53,430.30 = 34,259.40/x
  3. Step 3: Cross multiply
    35,620.20x = 53,430.30 × 34,259.40
  4. Step 4: Simplify right side
    35,620.20x = 1,830,490,019.82
  5. Step 5: Solve for x
    x = 1,830,490,019.82/35,620.20
  6. Step 6: Final answer
    x = 51,389.10

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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.