Home / 58,054.08-87,069.60-28,459.20

Finding the Fourth Proportional to 58,054.08, 87,069.60 and 28,459.20

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Solution

The fourth proportional to 58,054.08, 87,069.60 and 28,459.20 is: 42,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,054.08 : 87,069.60 = 28,459.20 : x
  2. Step 2: Convert to fraction form
    58,054.08/87,069.60 = 28,459.20/x
  3. Step 3: Cross multiply
    58,054.08x = 87,069.60 × 28,459.20
  4. Step 4: Simplify right side
    58,054.08x = 2,477,931,160.32
  5. Step 5: Solve for x
    x = 2,477,931,160.32/58,054.08
  6. Step 6: Final answer
    x = 42,683.15

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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.