Home / 42,030.48-63,047.04-15,730.20

Finding the Fourth Proportional to 42,030.48, 63,047.04 and 15,730.20

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Solution

The fourth proportional to 42,030.48, 63,047.04 and 15,730.20 is: 23,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,030.48 : 63,047.04 = 15,730.20 : x
  2. Step 2: Convert to fraction form
    42,030.48/63,047.04 = 15,730.20/x
  3. Step 3: Cross multiply
    42,030.48x = 63,047.04 × 15,730.20
  4. Step 4: Simplify right side
    42,030.48x = 991,742,548.61
  5. Step 5: Solve for x
    x = 991,742,548.61/42,030.48
  6. Step 6: Final answer
    x = 23,595.79

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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.