Home / 58,478.04-87,707.28-21,030.48

Finding the Fourth Proportional to 58,478.04, 87,707.28 and 21,030.48

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Solution

The fourth proportional to 58,478.04, 87,707.28 and 21,030.48 is: 31,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,478.04 : 87,707.28 = 21,030.48 : x
  2. Step 2: Convert to fraction form
    58,478.04/87,707.28 = 21,030.48/x
  3. Step 3: Cross multiply
    58,478.04x = 87,707.28 × 21,030.48
  4. Step 4: Simplify right side
    58,478.04x = 1,844,526,197.89
  5. Step 5: Solve for x
    x = 1,844,526,197.89/58,478.04
  6. Step 6: Final answer
    x = 31,542.20

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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.