Home / 58,445.34-87,646.47-20,995.35

Finding the Fourth Proportional to 58,445.34, 87,646.47 and 20,995.35

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Solution

The fourth proportional to 58,445.34, 87,646.47 and 20,995.35 is: 31,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.34 : 87,646.47 = 20,995.35 : x
  2. Step 2: Convert to fraction form
    58,445.34/87,646.47 = 20,995.35/x
  3. Step 3: Cross multiply
    58,445.34x = 87,646.47 × 20,995.35
  4. Step 4: Simplify right side
    58,445.34x = 1,840,168,313.91
  5. Step 5: Solve for x
    x = 1,840,168,313.91/58,445.34
  6. Step 6: Final answer
    x = 31,485.29

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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.