Home / 56,688.30-85,032.45-38,973.60

Finding the Fourth Proportional to 56,688.30, 85,032.45 and 38,973.60

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Solution

The fourth proportional to 56,688.30, 85,032.45 and 38,973.60 is: 58,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.30 : 85,032.45 = 38,973.60 : x
  2. Step 2: Convert to fraction form
    56,688.30/85,032.45 = 38,973.60/x
  3. Step 3: Cross multiply
    56,688.30x = 85,032.45 × 38,973.60
  4. Step 4: Simplify right side
    56,688.30x = 3,314,020,693.32
  5. Step 5: Solve for x
    x = 3,314,020,693.32/56,688.30
  6. Step 6: Final answer
    x = 58,460.40

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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.