Home / 58,430.40-87,645.60-33,547.20

Finding the Fourth Proportional to 58,430.40, 87,645.60 and 33,547.20

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Solution

The fourth proportional to 58,430.40, 87,645.60 and 33,547.20 is: 50,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,430.40 : 87,645.60 = 33,547.20 : x
  2. Step 2: Convert to fraction form
    58,430.40/87,645.60 = 33,547.20/x
  3. Step 3: Cross multiply
    58,430.40x = 87,645.60 × 33,547.20
  4. Step 4: Simplify right side
    58,430.40x = 2,940,264,472.32
  5. Step 5: Solve for x
    x = 2,940,264,472.32/58,430.40
  6. Step 6: Final answer
    x = 50,320.80

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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.