Home / 58,410.24-87,615.36-18,971.34

Finding the Fourth Proportional to 58,410.24, 87,615.36 and 18,971.34

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Solution

The fourth proportional to 58,410.24, 87,615.36 and 18,971.34 is: 28,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,410.24 : 87,615.36 = 18,971.34 : x
  2. Step 2: Convert to fraction form
    58,410.24/87,615.36 = 18,971.34/x
  3. Step 3: Cross multiply
    58,410.24x = 87,615.36 × 18,971.34
  4. Step 4: Simplify right side
    58,410.24x = 1,662,180,783.78
  5. Step 5: Solve for x
    x = 1,662,180,783.78/58,410.24
  6. Step 6: Final answer
    x = 28,457.01

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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.