Home / 52,030.81-71,802.53-28,157.50

Finding the Fourth Proportional to 52,030.81, 71,802.53 and 28,157.50

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Solution

The fourth proportional to 52,030.81, 71,802.53 and 28,157.50 is: 38,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,030.81 : 71,802.53 = 28,157.50 : x
  2. Step 2: Convert to fraction form
    52,030.81/71,802.53 = 28,157.50/x
  3. Step 3: Cross multiply
    52,030.81x = 71,802.53 × 28,157.50
  4. Step 4: Simplify right side
    52,030.81x = 2,021,779,511.89
  5. Step 5: Solve for x
    x = 2,021,779,511.89/52,030.81
  6. Step 6: Final answer
    x = 38,857.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.