Home / 58,030.19-79,560.13-56,980.43

Finding the Fourth Proportional to 58,030.19, 79,560.13 and 56,980.43

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Solution

The fourth proportional to 58,030.19, 79,560.13 and 56,980.43 is: 78,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,030.19 : 79,560.13 = 56,980.43 : x
  2. Step 2: Convert to fraction form
    58,030.19/79,560.13 = 56,980.43/x
  3. Step 3: Cross multiply
    58,030.19x = 79,560.13 × 56,980.43
  4. Step 4: Simplify right side
    58,030.19x = 4,533,370,443.45
  5. Step 5: Solve for x
    x = 4,533,370,443.45/58,030.19
  6. Step 6: Final answer
    x = 78,120.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.